Home / 28,236.58-42,338.67-10,695.22

Finding the Fourth Proportional to 28,236.58, 42,338.67 and 10,695.22

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Solution

The fourth proportional to 28,236.58, 42,338.67 and 10,695.22 is: 16,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.58 : 42,338.67 = 10,695.22 : x
  2. Step 2: Convert to fraction form
    28,236.58/42,338.67 = 10,695.22/x
  3. Step 3: Cross multiply
    28,236.58x = 42,338.67 × 10,695.22
  4. Step 4: Simplify right side
    28,236.58x = 452,821,390.16
  5. Step 5: Solve for x
    x = 452,821,390.16/28,236.58
  6. Step 6: Final answer
    x = 16,036.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.